61135468532 has 12 divisors (see below), whose sum is σ = 106989072960. Its totient is φ = 30567161976.

The previous prime is 61135468529. The next prime is 61135468591. The reversal of 61135468532 is 23586453116.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176693 + ... + 391779.

It is an arithmetic number, because the mean of its divisors is an integer number (8915756080).

Almost surely, 2^61135468532 is an apocalyptic number.

It is an amenable number.

61135468532 is a deficient number, since it is larger than the sum of its proper divisors (45853604428).

61135468532 is a wasteful number, since it uses less digits than its factorization.

61135468532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286150 (or 286148 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The spelling of 61135468532 in words is "sixty-one billion, one hundred thirty-five million, four hundred sixty-eight thousand, five hundred thirty-two".